This page explains how Brian Bartley (USATT# 54303)'s rating went from 1957 to 1922 at the Hornyak Cup (Midwest League) held on - 10 Apr 1994. The links below take you to pages that describe various aspects of the rating processor.

The rating processor goes through 4 passes in order. The links take you to pages that provide detailed explanations of the calculations during each of the 4 passes.